Max input voltage

5V p-p

Polarity

Positive or negative (switch-selectable)

Audio

Gain

Unbalanced output: 0 dB; balanced output: +6 dB

Frequency response

20 Hz to 20 kHz, ±1.1 dB

THD + Noise

0.03% @ 1 kHz at nominal level, 0 dB gain

S/N

>90 dB at rated maximum output

Crosstalk

<-80 dB @ 1 kHz

Stereo channel separation

>84 dB @ 1 kHz

Audio input

Number/signal type

8 stereo, unbalanced

Connectors

5 pairs of RCA (tip-ring) jacks

 

 

(3) 3.5 mm mini stereo (tip-ring-sleeve) jacks

Impedance

>10k ohms unbalanced, DC coupled

Nominal level

+4 dBu (1.23 Vrms), -10 dBV (316 mVrms)

Maximum level

+10.4 dBu, (unbalanced) at 1% THD+N

Input gain adjustment

-53 dBu to +9 dBu, adjustable per input

 

0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV 2 dBu.

 

Audio output

Number/signal type

1 stereo, unbalanced

 

1 stereo, balanced/unbalanced

Connectors

1 pair of RCA (tip-ring) jacks

 

(1) 3.5 mm captive screw connector, 5 pole

Impedance

50 ohms unbalanced, 100 ohms balanced

Gain error

±0.1 dB channel to channel

Maximum level (Hi-Z)

>+21 dBu, balanced at 1% THD+N

 

>+11 dBu, unbalanced at 1% THD+N

Maximum level (600 ohm)

>+14 dBm, balanced at 1% THD+N

 

>+10 dBm, unbalanced at 1% THD+N

Control/remote — decoder/scaler

Serial control port

RS-232, 9-pin female D connector

Baud rate and protocol

9600 baud, 8 data bits, 1 stop bit, no parity

Serial control pin configurations

2 = TX, 3 = RX, 5 = GND

IR controller module

IN1508 Remote

Program control

Extron’s Simple Instruction Set (SIS)

General

Power

100 VAC to 240 VAC, 50/60 Hz, 30 watts, internal

Temperature/humidity

Storage: -40 to +158 °F (-40 to +70 °C) / 10% to 90%, noncondensing

 

Operating: +32 to +122 °F (0 to +50 °C) / 10% to 90%, noncondensing

Cooling

Convection

Rack mount

Yes, with included brackets

Enclosure type

Metal

Enclosure dimensions

1.75" H x 17.5" W x 8.5" D (1U high, full rack wide)

 

4.4 cm H x 44.4 cm W x 21.6 cm D

 

(Depth excludes connectors and knobs. Width excludes rack ears.)

Product weight

7.0 lbs (3.2 kg)

IN1508 Scaling Presentation Switcher • Specifications and Part Numbers

A-3

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Extron electronic IN1508 manual Audio